-
Flowering
- Lovatt, C.J. 2022. ProGibb LV Plus® at the cauliflower stage of avocado inflorescence development - A tool for increasing total yield and yield of commercially valuable size fruit. The Avocado Quarterly Winter 2021/22 p.21-30.
- Acosta-Rangel, A., Li, R., Mauk, P., Santiago, L., Lovatt, C.J. 2021. Effects of temperature, soil moisture and light intensity on the temporal pattern of floral gene expression and flowering of avocado buds (Persea americana cv. Hass). Scientia Hort. 280:109940.
- Campisi-Pinto, S., Zheng, Y., Rolshausen, P.E., Crowley, D.F., Faber, B., Bender, G., Bianchi, M., Khuong, T., Lovatt, C.J. 2017. Optimal nutrient concentration ranges of 'Hass' avocado cauliflower stage inflorescences – Potential diagnostic tool to optimize tree nutrient status and increase yield. HortScience 52(12):1707-1715.
- Lovatt, C.J., Selvaraj, A., Khuong, T. 2014. Foliar application of adenosine increases fruit size of Solanum lycopersicum, Citrus reticulata, and Persea americana. Acta Hort. 1042:197-206.
- Lovatt, C.J. 2013. Properly timing foliar-applied fertilizers increases efficacy: A review and update on timing foliar nutrient applications to citrus and avocado. HortTechnology 23(5):536-541.
- Garner, L.C., Ashworth, V.E., Clegg, M.T., Lovatt, C.J. 2008. The impact of outcrossing on yields of 'Hass' avocado. J. Amer. Soc. Hort. Sci. 133:648-652.
- Garner, L.C., Lovatt, C.J. 2008. The relationship between flower and fruit abscission and alternate bearing of 'Hass' avocado. J. Amer. Soc. Hort. Sci. 133:3-10.
- Salazar-Garcia, S., Cossio-Vargas, L.E., Lovatt, C.J., Gonzalez-Duran, I.J.L, Perez-Barraza, M.H. 2006. Crop load affects vegetative growth flushes and shoot age influences irreversible commitment to flowering of 'Hass' avocado. HortScience. 41:1541-1546.
- Salazar-Garcia, S., Lovatt, C.J. 2000. Use of GA3 to manipulate flowering and yield of the ‘Hass’ avocado. J. Amer. Soc. Hort. Sci. 125:25-30.
- Salazar-Garcia, S., Lord, E.M., Lovatt, C.J. 1999. Inflorescence development of the 'Hass' avocado: Commitment to flowering. J. Amer. Soc. Hort. Sci. 124:478-482.
- Salazar-Garcia, S., Lovatt, C.J. 1999. Winter trunk injections of gibberellic acid altered the fate of ‘Hass’ avocado buds: effects on inflorescence type, number and rate of development. J. Hort. Sci. Biotech. 74:69-73.
- Salazar-Garcia, S., Lord, E.M., Lovatt, C.J. 1998. Inflorescence and flower development of the `Hass’ avocado (Persea americana Mill.) during “on” and “off” crop years. J. Amer. Soc. Hort. Sci. 123:537-544.
- Salazar-Garcia, S., Lovatt, C.J. 1998. GA3 application alters flowering phenology of ‘Hass’ avocado. J. Amer. Soc. Hort. Sci. 123:791-797.
- Blanke, M.M., Lovatt, C.J. 1993. Anatomy and transpiration of the avocado inflorescence. Ann. Bot. 71:543-547.
- Salazar-Garcia, S., Lovatt, C.J. 2002. Flowering of avocado (Persea americana Mill.): II. Manipulation with GA3. Revista Chapingo Serie Horticulurae 8:77-82.
- Salazar-Garcia, S., Lovatt, C.J. 2002. Flowering of avocado (Persea americana Mill.): I. Inflorescence and flower development. Revista Chapingo Serie Horticulurae 8:71-75.
- Garner, L.C., Lovatt, C.J. 2001. Effects of plant growth regulators on the reproductive and vegetative growth of the 'Hass' avocado. 28th Annu. Meeting Plant Growth Regulat. Soc. Amer. 1:68-70.
- Bertling, I., Lovatt, C.J. 1998. Uptake of PGRs into determinate versus indeterminate inflorescences of the 'Hass' avocado (Persea americana Mill.). Proc. 3rd World Avocado Congr. 1:3-6.
- Salazar-Garcia, S., Lovatt, C.J. 1998. Effect of gibberellic acid on inflorescence phenology of the 'Hass' avocado. Proc. 3rd World Avocado Congr. 1:37-41.
- Nevin, J.M., Lovatt, C.J. 1989. Changes in starch and ammonia metabolism during low temperature stress-induced flowering in 'Hass' avocado. A preliminary report. S. Afr. Avocado Growers' Assoc. Yrbk. 12:21-25.
- Salazar-García, S., Garner, L.C., Lovatt, C.J. 2013. Reproductive Biology. In: Avocado: Botany, Production and Uses. (Eds) B.S. Schaffer, B.N. Wolstenholme, A.W. Whiley. CAB International. p.118-167.
- Lovatt, C.J. 2018. ProGibb LV Plus® plant growth regulator to increase fruit size and yield of avocados. From the Grove. 8(1):49-53.
- Lovatt, C.J. 2010. Alternate Bearing of 'Hass' Avocado A summary of basic information to assist growers in managing their orchards. Calif. Avocado Soc. 2010 Yrbk. 93:125-140.
- Lovatt, C.J. 1989. Induction of flowering in ‘Hass’ avocado: Can it be manipulated with NH3-NH4+? Can flowering be controlled by foliar application of urea? Alon Hanotea 43:1221-1224.
- Lovatt, C.J. 1997. Pollination biology and fruit set in avocado. Australian Avocado Grower's Fed. Inc. and N Z Avocado Growers Assoc. Inc., Conf. '97 1:98-105.
- Salazar-Garcia, S., Lovatt, C.J. 1997. Use of gibberellic acid to manipulate flowering in the 'Hass' avocado: a preliminary report. Australian Avocado Grower's Fed. Inc. and N Z Avocado Growers Assoc. Inc., Conf. '97 1:106-111.
- Lovatt, C.J. 1994. Improving fruit set and yield of 'Hass' avocado with a spring application of boron and/or urea to the bloom. Calif. Avocado Soc. Yrbk. 78:167-173.
- Lovatt, C.J. 1994. Improving fruit set and yield of 'Hass' avocado with a bloom application of potassium phosphate or potassium phosphite alone or in combination with boron or urea. Calif. Avocado Soc. Yrbk. 78:175-177.
- Lovatt, C.J., Bertling, I., Blanke, M. 1994. Comparison of determinate us. Indeterminate inflorescences to determine the roles of PGRs, carbohydrate, nitrogen, and other nutrients in fruit set of the 'Hass' avocado. Calif. Avocado Soc. Yrbk. 78:183-186.
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Fruit Set, Fruit Development & Yield
- Lovatt, C.J. 2022. ProGibb LV Plus® at the cauliflower stage of avocado inflorescence development - A tool for increasing total yield and yield of commercially valuable size fruit. The Avocado Quarterly Winter 2021/22 p.21-30.
- Campisi-Pinto, S., Zheng, Y., Rolshausen, P.E., Crowley, D.F., Faber, B., Bender, G., Bianchi, M., Khuong, T., Lovatt, C.J. 2017. Optimal nutrient concentration ranges of 'Hass' avocado cauliflower stage inflorescences – Potential diagnostic tool to optimize tree nutrient status and increase yield. HortScience 52(12):1707-1715.
- Salvo, J.E., Lovatt, C.J. 2016. Nitrogen fertilization strategies for the 'Hass' avocado that increase total yield without reducing fruit size. HortTechnology 26(4):426-435.
- Wang, M., Zheng, Y., Khuong, T., Lovatt, C.J. 2016. Developmental differences in antioxidant compounds and systems in normal and small-phenotype fruit of 'Hass' avocado (Persea americana Mill.). Scientia Hort. 206:15-23.
- Lovatt, C.J., Selvaraj, A., Khuong, T. 2014. Foliar application of adenosine increases fruit size of Solanum lycopersicum, Citrus reticulata, and Persea americana. Acta Hort. 1042:197-206.
- Lovatt, C.J. 2013. Properly timing foliar-applied fertilizers increases efficacy: A review and update on timing foliar nutrient applications to citrus and avocado. HortTechnology 23(5):536-541.
- Rosecrance, R., Faber, B.A., Lovatt, C.J. 2012. Patterns of nutrient accumulation in 'Hass' avocado fruit. Better Crops 96(1):12-13.
- Wang, M., Zheng, Y., Khuong, T., Lovatt, C.J. 2012. Effect of harvest date on the nutritional quality and antioxidant capacity in 'Hass' avocado during storage. Food Chem. 135:694-698.
- Garner, L.C., Klein, G.J., Zheng, Y., Khuong, T., Lovatt, C.J. 2011. Response of evergreen perennial tree crops to gibberellic acid is crop load-dependent: II. GA3 increases yield and fruit size of 'Hass' avocado only in the on-crop year of an alternate bearing orchard. Scientia Hort. 130:753-761.
- Garner, L.C., Zheng, Y., Khuong, T., Lovatt, C.J. 2010. Prohexadione-calcium affects shoot growth of evergreen subtropical woody perennials differently than deciduous temperate zone woody perennials - Is it a case of apples and oranges?Acta Hort. 884:249-256.
- Gonzalez, C., Zheng, Y., Lovatt, C.J. 2010. Properly timed foliar fertilization can and should result in a yield benefit and net increase in grower income. Acta Hort. 868:273-286.
- Garner, L.C., Ashworth, V.E., Clegg, M.T., Lovatt, C.J. 2008. The impact of outcrossing on yields of 'Hass' avocado. J. Amer. Soc. Hort. Sci. 133:648-652.
- Garner, L.C., Lovatt, C.J. 2008. The relationship between flower and fruit abscission and alternate bearing of 'Hass' avocado. J. Amer. Soc. Hort. Sci. 133:3-10.
- Salazar-García, S., Cossio-Vargas, L.E., González-Durán, I.J.L, Lovatt, C.J. 2007. Foliar-applied GA3 advances fruit maturity and allows off-season harvest of ‘Hass’ avocado. HortScience. 42:257-261.
- Salazar-Garcia, S., Cossio-Vargas, L.E., Gonzalez-Duran, I.J.L, Torres, R.M., Lovatt, C.J. 2006. Effect of foliar-applied plant bioregulators on 'June fruit drop', yield and fruit size of 'Hass' avocado. Acta Hort. 727:197-202.
- Salazar-Garcia, S., Cossio-Vargas, L.E., Lovatt, C.J., Gonzalez-Duran, I.J.L, Perez-Barraza, M.H. 2006. Crop load affects vegetative growth flushes and shoot age influences irreversible commitment to flowering of 'Hass' avocado. HortScience. 41:1541-1546.
- Lovatt, C.J. 2001. Properly timed soil-applied nitrogen fertilizer increases yield of ‘Hass’ avocado. J. Am. Soc. Hort. Sci. 126:555-559.
- Salazar-Garcia, S., Lovatt, C.J. 2000. Use of GA3 to manipulate flowering and yield of the ‘Hass’ avocado. J. Amer. Soc. Hort. Sci. 125:25-30.
- Campisi-Pinto, S., Zheng, Y., Rolshausen, P., Crowley, D., Faber, B., Bender, G., Bianchi, M., Khuong, T., Lovatt, C.J. 2015. Application of sequential statistical data-mining methods to determine tissue nutrient concentrations related to yield of the ‘Hass’ avocado. Proc. 8th World Avocado Congr. 1:236-239.
- Lovatt, C.J. 2015. Optimizing 'Hass' avocado tree nutrient status to increase grower profit - An overview. Proc. 8th World Avocado Congr. 1:17-23.
- Lovatt, C.J., Zheng, Y., Khuong, T., Campisi-Pinto, S., Crowley, D., Rolshausen, P. 2015. Yield characteristics of 'Hass' avocado trees under California growing conditions. Proc. 8th World Avocado Congr. 1:336-341.
- Lovatt, C.J. 2011. New standard for the effectiveness of foliar fertilizers. Proc. 19th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:77-85.
- Rosecrance, R., Lovatt, C.J., Faber, B. 2011. Management tools for fertilization of the 'Hass' avocado. Proc. 19th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:107-111.
- Zheng, Y., Khuong, T., Lovatt, C.J. 2011. Effect of foliar-applied plant bioregulators on 'Hass' avocado yield. Proc. 7th World Avocado Congr. 1:408-416.
- Lovatt, C.J. 2010. New standard for the effectiveness of foliar fertilizers. Proc. 18th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:101-108.
- Lovatt, C.J., Rosecrance, R., Faber, B. 2010. Can a better tool for assessing 'Hass' avocado tree nutrient status be developed? Proc. 18th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:69-77.
- Lovatt, C.J., Rosecrance, R., Faber, B. 2009. Can a better tool for assessing 'Hass' avocado tree nutrient status be developed? Proc. 17th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:41-49.
- Garner, L.C., Zheng, Y., Khuong, T., Lovatt, C.J. 2009. Prohexadione-calcium affects shoot growth and yield of lemon, orange and avocado differently. 36th Annu. Meeting Plant Growth Reg. Soc. of Amer. 1:116-124.
- Lovatt, C.J. 2009. New standard for the effectiveness of foliar fertilizers. Proc. 17th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:95-98.
- Lovatt, C.J. 2009. Fertilization of perennial tree crops: Timing is everything! Proc. Annu. Calif. Plant Soil Soc. Conf. 1:82-87.
- Rosecrance, R., Lovatt, C.J., Faber, B. 2009. Matching fertilizer applications to seasonal growth patterns in avocado. Proc. 17th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:25-28.
- Lovatt, C.J., Rosecrance, R., Faber, B. 2008. Can a better tool for assessing 'Hass' avocado tree nutritional status be developed? - A feasibility study. Proc. 16th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:79-82.
- Lovatt, C.J., Salazar-Garcia, S. 2007. Plant growth regulators for avocado production. 33rd Annu. Meeting Plant Growth Reg. Soc. Amer. 1:98-107.
- Lovatt, C.J. 2006. Increasing yield of the 'Hass' avocado by adding P and K to properly timed soil N applications. Proc. 14th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:35-44.
- Lovatt, C.J. 2005. Increasing yield of the 'Hass' avocado by adding P and K to properly timed soil N applicatiions. Proc. 13th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:53-57.
- Rosecrance, R., Lovatt, C. 2005. Seasonal patterns of nutrient uptake and partitioning as a function of cop load of the 'Hass' avocado. Proc. 13th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:25-28.
- Lovatt, C.J. 2004. Increasing yield of the 'Hass' avocado by adding P and K to properly timed soil N applications. Proc. 12th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:9-11.
- Lovatt, C.J., Rosecrance, R. 2003. Seasonal pattern of nutrien uptake and partitioning as a function of crop load of the 'Hass' avocado. Proc. 11th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:22-26.
- Rosecrance, R., Lovatt, C.J. 2002. Seasonal pattern of nutrien uptake and partitioning as a function of crop load of the 'Hass' avocado. Proc. 10th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:19-22.
- Lovatt, C.J., Rosecrance, R., Faber, B. 2001. Seasonal pattern of nutrien uptake and partitioning as a function of crop load of the 'Hass' avocado. Proc. 9th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:21-23.
- Lovatt, C.J. 2000. Development of nitrogen best management practices for the 'Hass' avocado. Proc. 8th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:16-17.
- Lovatt, C.J. 1999. Timing citrus and avocado foliar nutrient applications to increase fruit set and size. HortTechnology 9:15-20.
- Lovatt, C.J. 1999. Development of nitrogen best management practices for the 'Hass' avocado. Proc. 7th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:10-11.
- Jaganath, I., Lovatt, C.J. 1998. Efficacy studies on prebloom canopy applications of boron and/or urea to 'Hass' avocado. Proc. 3rd World Avocado Congr. 1:181-184.
- Lovatt, C.J. 1998. Nitrogen nutrition of the 'Hass' avocado--Where does all the N go? Proc. 3rd World Avocado Congr. 1:152-159.
- Lovatt, C.J. 1996. Avocado growers can reduce soil nitrate groundwater pollution and increase yield and profit. Proc. 5th Annu. Calif. Dept. Food. Agri. Fert. Res. Edu. Prog. Conf. 1:41-42.
- Lovatt, C.J. 1995. Avocado growers can reduce soil nitrate groundwater pollution and increase yield and profit. Proc. 4th Annu. Calif. Dept. Food. Agri. Fert. Res. Edu. Prog. Conf. 1:32-33.
- Lovatt, C.J. 2018. ProGibb LV Plus® plant growth regulator to increase fruit size and yield of avocados. From the Grove. 8(1):49-53.
- Lovatt, C.J., Zheng, Y., Khuong, T., Campisi-Pinto, S., Crowley, D., Rolshausen, P. 2017. Yield characteristics of California 'Hass' avocado trees. From the Grove. 7(2):32-35.
- Lovatt, C.J. 2013. ‘Hass’ avocado nutrition research in California – A summary of basic information to assist growers in managing their orchards. Calif. Avocado Soc. 2013 Yrbk. 96:74-105.
- Lovatt, C.J. 2010. Alternate Bearing of 'Hass' Avocado A summary of basic information to assist growers in managing their orchards. Calif. Avocado Soc. 2010 Yrbk. 93:125-140.
- Lovatt, C.J. 2005. Plant growth regulators for avocado production. Calif. Avocado Soc. Yrbk. 88:81-91.
- Lovatt, C.J. 1998. Nov. or April soil-applied nitrogen fertilizer increases 'Hass' avocado yield and fruit size. Calif. Avocado Grower 4:4-7.
- Lovatt, C.J. 1998. Successful use of foliar applications of essential mineral nutrient elements to increase fruit set and yield of citrus and avocado. Subtropical Fruit News 6:21-24.
- Lovatt, C.J. 1994. Does an avocado early bloom spray make dollars and sense? Calif. Grower 18:13-15.
- Lovatt, C.J. 1999. Soil nitrogen fertilization of 'Hass' avocado in California: Time of application affects yield. Proc. Avocado Brainstorming '99 1:30-32.
- Lovatt, C.J. 1999. Plant nutrition panel summary. Proc. Avocado Brainstorming '99 1:25-26.
- Lovatt, C.J. 1997. Pollination biology and fruit set in avocado. Australian Avocado Grower's Fed. Inc. and N Z Avocado Growers Assoc. Inc., Conf. '97 1:98-105.
- Lovatt, C.J. 1990. Factors affecting fruit set/early fruit drop in avocado. Calif. Avocado Soc. Yrbk. 74:193-199.
- Lovatt, C.J. 2006. Plant growth regulators. Mission Avocados Update. February. Iss. p.1, 3.
- Lovatt, C.J. 2003. Foliar fertilization. Mission Avocados Update. January. Iss. p.3.
- Lovatt, C.J., Witney, G. 2001. Nitrogen Fertilization of the 'Hass' avocado in California. AvoResearch. 1(3):1-4, 11.
- Lovatt, C.J. 1994. Improving fruit set and yield of 'Hass' avocado with a spring application of boron and/or urea to the bloom. Calif. Avocado Soc. Yrbk. 78:167-173.
- Lovatt, C.J. 1994. Improving fruit set and yield of 'Hass' avocado with a bloom application of potassium phosphate or potassium phosphite alone or in combination with boron or urea. Calif. Avocado Soc. Yrbk. 78:175-177.
- Lovatt, C.J., Bertling, I., Blanke, M. 1994. Comparison of determinate us. Indeterminate inflorescences to determine the roles of PGRs, carbohydrate, nitrogen, and other nutrients in fruit set of the 'Hass' avocado. Calif. Avocado Soc. Yrbk. 78:183-186.
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Alternate Bearing
- Lovatt, C.J. 2013. Properly timing foliar-applied fertilizers increases efficacy: A review and update on timing foliar nutrient applications to citrus and avocado. HortTechnology 23(5):536-541.
- Garner, L.C., Klein, G.J., Zheng, Y., Khuong, T., Lovatt, C.J. 2011. Response of evergreen perennial tree crops to gibberellic acid is crop load-dependent: II. GA3 increases yield and fruit size of 'Hass' avocado only in the on-crop year of an alternate bearing orchard. Scientia Hort. 130:753-761.
- Garner, L.C., Lovatt, C.J. 2008. The relationship between flower and fruit abscission and alternate bearing of 'Hass' avocado. J. Amer. Soc. Hort. Sci. 133:3-10.
- Salazar-Garcia, S., Cossio-Vargas, L.E., Lovatt, C.J., Gonzalez-Duran, I.J.L, Perez-Barraza, M.H. 2006. Crop load affects vegetative growth flushes and shoot age influences irreversible commitment to flowering of 'Hass' avocado. HortScience. 41:1541-1546.
- Lovatt, C.J. 2001. Properly timed soil-applied nitrogen fertilizer increases yield of ‘Hass’ avocado. J. Am. Soc. Hort. Sci. 126:555-559.
- Salazar-Garcia, S., Lord, E.M., Lovatt, C.J. 1998. Inflorescence and flower development of the `Hass’ avocado (Persea americana Mill.) during “on” and “off” crop years. J. Amer. Soc. Hort. Sci. 123:537-544.
- Rosecrance, R., Lovatt, C. 2005. Seasonal patterns of nutrient uptake and partitioning as a function of cop load of the 'Hass' avocado. Proc. 13th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:25-28.
- Lovatt, C.J., Rosecrance, R. 2003. Seasonal pattern of nutrien uptake and partitioning as a function of crop load of the 'Hass' avocado. Proc. 11th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:22-26.
- Rosecrance, R., Lovatt, C.J. 2002. Seasonal pattern of nutrien uptake and partitioning as a function of crop load of the 'Hass' avocado. Proc. 10th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:19-22.
- Lovatt, C.J., Rosecrance, R., Faber, B. 2001. Seasonal pattern of nutrien uptake and partitioning as a function of crop load of the 'Hass' avocado. Proc. 9th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:21-23.
- Salazar-García, S., Garner, L.C., Lovatt, C.J. 2013. Reproductive Biology. In: Avocado: Botany, Production and Uses. (Eds) B.S. Schaffer, B.N. Wolstenholme, A.W. Whiley. CAB International. p.118-167.
- Lovatt, C.J. 2010. Alternate Bearing of 'Hass' Avocado A summary of basic information to assist growers in managing their orchards. Calif. Avocado Soc. 2010 Yrbk. 93:125-140.
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Nutrition, Fertilization & Irrigation
- Campisi-Pinto, S., Zheng, Y., Rolshausen, P.E., Crowley, D.F., Faber, B., Bender, G., Bianchi, M., Khuong, T., Lovatt, C.J. 2017. Opitmal nutrient concentration ranges of 'Hass' avocado cauliflower stage inflorescences – Potential diagnostic tool to optimize tree nutrient status and increase yield. HortScience 52(12):1707-1715.
- Salvo, J.E., Lovatt, C.J. 2016. Nitrogen fertilization strategies for the 'Hass' avocado that increase total yield without reducing fruit size. HortTechnology 26(4):426-435.
- Lovatt, C.J. 2013. Properly timing foliar-applied fertilizers increases efficacy: A review and update on timing foliar nutrient applications to citrus and avocado. HortTechnology 23(5):536-541.
- Rosecrance, R., Faber, B.A., Lovatt, C.J. 2012. Patterns of nutrient accumulation in 'Hass' avocado fruit. Better Crops 96(1):12-13.
- Gonzalez, C., Zheng, Y., Lovatt, C.J. 2010. Properly timed foliar fertilization can and should result in a yield benefit and net increase in grower income. Acta Hort. 868:273-286.
- Lovatt, C.J. 2001. Properly timed soil-applied nitrogen fertilizer increases yield of ‘Hass’ avocado. J. Am. Soc. Hort. Sci. 126:555-559.
- Campisi-Pinto, S., Zheng, Y., Rolshausen, P., Crowley, D., Faber, B., Bender, G., Bianchi, M., Khuong, T., Lovatt, C.J. 2015. Application of sequential statistical data-mining methods to determine tissue nutrient concentrations related to yield of the ‘Hass’ avocado. Proc. 8th World Avocado Congr. 1:236-239.
- Lovatt, C.J. 2015. Optimizing 'Hass' avocado tree nutrient status to increase grower profit - An overview. Proc. 8th World Avocado Congr. 1:17-23.
- Rosecrance, R., Lovatt, C.J., Faber, B.A. 2014. Management tools for fertilization of the ‘Hass’ avocado. Proc. 22nd Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:12-15.
- Lovatt, C.J. 2011. New standard for the effectiveness of foliar fertilizers. Proc. 19th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:77-85.
- Rosecrance, R., Lovatt, C.J., Faber, B. 2011. Management tools for fertilization of the 'Hass' avocado. Proc. 19th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:107-111.
- Lovatt, C.J. 2010. New standard for the effectiveness of foliar fertilizers. Proc. 18th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:101-108.
- Lovatt, C.J., Rosecrance, R., Faber, B. 2010. Can a better tool for assessing 'Hass' avocado tree nutrient status be developed? Proc. 18th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:69-77.
- Lovatt, C.J., Rosecrance, R., Faber, B. 2009. Can a better tool for assessing 'Hass' avocado tree nutrient status be developed? Proc. 17th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:41-49.
- Lovatt, C.J. 2009. New standard for the effectiveness of foliar fertilizers. Proc. 17th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:95-98.
- Lovatt, C.J. 2009. Fertilization of perennial tree crops: Timing is everything! Proc. Annu. Calif. Plant Soil Soc. Conf. 1:82-87.
- Rosecrance, R., Lovatt, C.J., Faber, B. 2009. Matching fertilizer applications to seasonal growth patterns in avocado. Proc. 17th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:25-28.
- Lovatt, C.J., Rosecrance, R., Faber, B. 2008. Can a better tool for assessing 'Hass' avocado tree nutritional status be developed? - A feasibility study. Proc. 16th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:79-82.
- Lovatt, C.J. 2006. Increasing yield of the 'Hass' avocado by adding P and K to properly timed soil N applications. Proc. 14th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:35-44.
- Lovatt, C.J. 2005. Increasing yield of the 'Hass' avocado by adding P and K to properly timed soil N applicatiions. Proc. 13th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:53-57.
- Rosecrance, R., Lovatt, C. 2005. Seasonal patterns of nutrient uptake and partitioning as a function of cop load of the 'Hass' avocado. Proc. 13th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:25-28.
- Lovatt, C.J. 2004. Increasing yield of the 'Hass' avocado by adding P and K to properly timed soil N applications. Proc. 12th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:9-11.
- Lovatt, C.J., Rosecrance, R. 2003. Seasonal pattern of nutrien uptake and partitioning as a function of crop load of the 'Hass' avocado. Proc. 11th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:22-26.
- Rosecrance, R., Lovatt, C.J. 2002. Seasonal pattern of nutrien uptake and partitioning as a function of crop load of the 'Hass' avocado. Proc. 10th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:19-22.
- Lovatt, C.J. 2001. Development of nitrogen best management practices for the 'Hass' avocado. Proc. 9th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:18-20.
- Lovatt, C.J., Rosecrance, R., Faber, B. 2001. Seasonal pattern of nutrien uptake and partitioning as a function of crop load of the 'Hass' avocado. Proc. 9th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:21-23.
- Lovatt, C.J. 2000. Development of nitrogen best management practices for the 'Hass' avocado. Proc. 8th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:16-17.
- Lovatt, C.J. 1999. Timing citrus and avocado foliar nutrient applications to increase fruit set and size. HortTechnology 9:15-20.
- Lovatt, C.J. 1999. Development of nitrogen best management practices for the 'Hass' avocado. Proc. 7th Annu. Calif. Dept. Food Agri. Fert. Res. Edu. Prog. Conf. 1:10-11.
- Jaganath, I., Lovatt, C.J. 1998. Efficacy studies on prebloom canopy applications of boron and/or urea to 'Hass' avocado. Proc. 3rd World Avocado Congr. 1:181-184.
- Lovatt, C.J. 1998. Nitrogen nutrition of the 'Hass' avocado--Where does all the N go? Proc. 3rd World Avocado Congr. 1:152-159.
- Lovatt, C.J. 1996. Avocado growers can reduce soil nitrate groundwater pollution and increase yield and profit. Proc. 5th Annu. Calif. Dept. Food. Agri. Fert. Res. Edu. Prog. Conf. 1:41-42.
- Lovatt, C.J. 1995. Avocado growers can reduce soil nitrate groundwater pollution and increase yield and profit. Proc. 4th Annu. Calif. Dept. Food. Agri. Fert. Res. Edu. Prog. Conf. 1:32-33.
- Nevin, J.M., Lovatt, C.J., Embleton, T.W. 1990. Problems with urea-N foliar fertilization of avocado. Acta Hort. 2:535-541.
- Crowley, D., Campisi-Pinto, S., Escalera, J., Lovatt, C.J., Rolshausen, P., Arpaia, M. 2015. Decision support tools for avocado fertilization & salinity management: Preview to the final project report. From the Grove. 5(3):25-28.
- Lovatt, C.J. 2013. ‘Hass’ avocado nutrition research in California – A summary of basic information to assist growers in managing their orchards. Calif. Avocado Soc. 2013 Yrbk. 96:74-105.
- Lovatt, C.J. 1998. Nov. or April soil-applied nitrogen fertilizer increases 'Hass' avocado yield and fruit size. Calif. Avocado Grower 4:4-7.
- Lovatt, C.J. 1998. Successful use of foliar applications of essential mineral nutrient elements to increase fruit set and yield of citrus and avocado. Subtropical Fruit News 6:21-24.
- Lovatt, C.J. 1994. Does an avocado early bloom spray make dollars and sense? Calif. Grower 18:13-15.
- Lovatt, C.J. 1989. Induction of flowering in ‘Hass’ avocado: Can it be manipulated with NH3-NH4+? Can flowering be controlled by foliar application of urea? Alon Hanotea 43:1221-1224.
- Lovatt, C.J. 1999. Soil nitrogen fertilization of 'Hass' avocado in California: Time of application affects yield. Proc. Avocado Brainstorming '99 1:30-32.
- Lovatt, C.J. 1999. Plant nutrition panel summary. Proc. Avocado Brainstorming '99 1:25-26.
- Lovatt, C.J. 2003. Foliar fertilization. Mission Avocados Update. January. Iss. p.3.
- Lovatt, C.J., Witney, G. 2001. Nitrogen Fertilization of the 'Hass' avocado in California. AvoResearch. 1(3):1-4, 11.
- Lovatt, C.J. 1994. Improving fruit set and yield of 'Hass' avocado with a spring application of boron and/or urea to the bloom. Calif. Avocado Soc. Yrbk. 78:167-173.
- Lovatt, C.J. 1994. Improving fruit set and yield of 'Hass' avocado with a bloom application of potassium phosphate or potassium phosphite alone or in combination with boron or urea. Calif. Avocado Soc. Yrbk. 78:175-177.
- Lovatt, C.J., Bertling, I., Blanke, M. 1994. Comparison of determinate us. Indeterminate inflorescences to determine the roles of PGRs, carbohydrate, nitrogen, and other nutrients in fruit set of the 'Hass' avocado. Calif. Avocado Soc. Yrbk. 78:183-186.
- Lovatt, C.J. 1990. A definitive test to determine whether phosphite fertilization can replace phosphate fertilization to supply P in the metabolism of 'Hass' on 'Duke 7' - A preliminary report. Calif. Avocado Soc. Yrbk. 74:61-64.
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Plant Hormones & PGRs
- Lovatt, C.J. 2022. ProGibb LV Plus® at the cauliflower stage of avocado inflorescence development - A tool for increasing total yield and yield of commercially valuable size fruit. The Avocado Quarterly Winter 2021/22 p.21-30.
- Escobedo-Solorzano, V., Lovatt, C.J. 2014. Forcing spring bud break in ‘Hass’ avocado. Acta Hort. 1042:207-216.
- Lovatt, C.J., Selvaraj, A., Khuong, T. 2014. Foliar application of adenosine increases fruit size of Solanum lycopersicum, Citrus reticulata, and Persea americana. Acta Hort. 1042:197-206.
- Garner, L.C., Klein, G.J., Zheng, Y., Khuong, T., Lovatt, C.J. 2011. Response of evergreen perennial tree crops to gibberellic acid is crop load-dependent: II. GA3 increases yield and fruit size of 'Hass' avocado only in the on-crop year of an alternate bearing orchard. Scientia Hort. 130:753-761.
- Garner, L.C., Zheng, Y., Khuong, T., Lovatt, C.J. 2010. Prohexadione-calcium affects shoot growth of evergreen subtropical woody perennials differently than deciduous temperate zone woody perennials - Is it a case of apples and oranges?Acta Hort. 884:249-256.
- Salazar-García, S., Cossio-Vargas, L.E., González-Durán, I.J.L, Lovatt, C.J. 2007. Foliar-applied GA3 advances fruit maturity and allows off-season harvest of ‘Hass’ avocado. HortScience. 42:257-261.
- Salazar-Garcia, S., Cossio-Vargas, L.E., Gonzalez-Duran, I.J.L, Torres, R.M., Lovatt, C.J. 2006. Effect of foliar-applied plant bioregulators on 'June fruit drop', yield and fruit size of 'Hass' avocado. Acta Hort. 727:197-202.
- Salazar-Garcia, S., Lovatt, C.J. 2000. Use of GA3 to manipulate flowering and yield of the ‘Hass’ avocado. J. Amer. Soc. Hort. Sci. 125:25-30.
- Salazar-Garcia, S., Lord, E.M., Lovatt, C.J. 1999. Inflorescence development of the 'Hass' avocado: Commitment to flowering. J. Amer. Soc. Hort. Sci. 124:478-482.
- Salazar-Garcia, S., Lovatt, C.J. 1999. Winter trunk injections of gibberellic acid altered the fate of ‘Hass’ avocado buds: effects on inflorescence type, number and rate of development. J. Hort. Sci. Biotech. 74:69-73.
- Salazar-Garcia, S., Lovatt, C.J. 1998. GA3 application alters flowering phenology of ‘Hass’ avocado. J. Amer. Soc. Hort. Sci. 123:791-797.
- Zheng, Y., Khuong, T., Lovatt, C.J. 2011. Effect of foliar-applied plant bioregulators on 'Hass' avocado yield. Proc. 7th World Avocado Congr. 1:408-416.
- Lovatt, C.J., Salazar-Garcia, S. 2007. Plant growth regulators for avocado production. 33rd Annu. Meeting Plant Growth Reg. Soc. Amer. 1:98-107.
- Salazar-Garcia, S., Lovatt, C.J. 2002. Flowering of avocado (Persea americana Mill.): II. Manipulation with GA3. Revista Chapingo Serie Horticulurae 8:77-82.
- Cesped-Ruiz, R.A., Crowley, D., Smith, W., Lovatt, C.J. 2001. Growth response of avocado rootstocks (Persea americana Mill.) to chloride: Role of endogenous ABA and IAA -- Preliminary results. 28th Annu. Meeting Plant Growth Regulat. Soc. Amer. 1:77-79.
- Garner, L.C., Lovatt, C.J. 2001. Effects of plant growth regulators on the reproductive and vegetative growth of the 'Hass' avocado. 28th Annu. Meeting Plant Growth Regulat. Soc. Amer. 1:68-70.
- Bertling, I., Lovatt, C.J. 1998. Uptake of PGRs into determinate versus indeterminate inflorescences of the 'Hass' avocado (Persea americana Mill.). Proc. 3rd World Avocado Congr. 1:3-6.
- Salazar-Garcia, S., Lovatt, C.J. 1998. Effect of gibberellic acid on inflorescence phenology of the 'Hass' avocado. Proc. 3rd World Avocado Congr. 1:37-41.
- Lovatt, C.J. 2018. ProGibb LV Plus® plant growth regulator to increase fruit size and yield of avocados. From the Grove. 8(1):49-53.
- Lovatt, C.J. 2005. Plant growth regulators for avocado production. Calif. Avocado Soc. Yrbk. 88:81-91.
- Salazar-Garcia, S., Lovatt, C.J. 1997. Use of gibberellic acid to manipulate flowering in the 'Hass' avocado: a preliminary report. Australian Avocado Grower's Fed. Inc. and N Z Avocado Growers Assoc. Inc., Conf. '97 1:106-111.
- Lovatt, C.J. 2006. Plant growth regulators. Mission Avocados Update. February. Iss. p.1, 3.
- Lovatt, C.J., Bertling, I., Blanke, M. 1994. Comparison of determinate us. Indeterminate inflorescences to determine the roles of PGRs, carbohydrate, nitrogen, and other nutrients in fruit set of the 'Hass' avocado. Calif. Avocado Soc. Yrbk. 78:183-186.
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Gene Expression, Biochemistry and Metabolism
- Wang, M., Zheng, Y., Khuong, T., Lovatt, C.J. 2016. Developmental differences in antioxidant compounds and systems in normal and small-phenotype fruit of 'Hass' avocado (Persea americana Mill.). Scientia Hort. 206:15-23.
- Tesfay, S.Z., Bertling, I., Bower, J.P., Lovatt, C.J. 2012. The quest for the function of 'Hass' avocado carbohydrates: Clues from fruit and seed development as well as seed germination. Australian J. of Bot. 60:79-86.
- Wang, M., Zheng, Y., Khuong, T., Lovatt, C.J. 2012. Effect of harvest date on the nutritional quality and antioxidant capacity in 'Hass' avocado during storage. Food Chem. 135:694-698.
- Garner, L.C., Ashworth, V.E., Clegg, M.T., Lovatt, C.J. 2008. The impact of outcrossing on yields of 'Hass' avocado. J. Amer. Soc. Hort. Sci. 133:648-652.
- Violi, H.A., Treseder, K.K., Menge, J.A., Wright, S.F., Lovatt, C.J. 2007. Density dependence and interspecific interactions between arbuscular mycorrhizal fungi mediate plant growth, glomalin production and sporulation. Can. J. Bot. 85:63-75.
- Violi, H.A., Barrientos-Priego, A.F., Wright, S.F., Escamilla-Prado, E., Morton, J.B., Menge, J.A., Lovatt, C.J. 2007. Disturbance changes arbuscular mycorrhizal fungal phenology and soil glomalin concentrations but not fungal spore composition in montane rainforests in Veracruz and Chiapas, Mexico. Forest Ecol. Management. 254:276-290.
- Casale, W.L., Minassian, V., Menge, J.A., Lovatt, C.J., Pond, E., Johnson, E., Guillemet, F. 1995. Urban and agricultural wastes for use as mulches on avocado and citrus for delivery of microbial biocontrol agents. J. Hort. Sci. 70:315-332.
- Lovatt, C.J., Cheng, A.H. 1990. Comparison of some aspects of nitrogen metabolism of avocado with citrus. Acta Hort. 2:489-495.
- Nevin, J.M., Lovatt, C.J., Eaks, I.L., Ohr, H.D. 1990. Separation of the effects of drought and infection by Phytophthora cinnamoni on 'Hass' avocado. Acta Hort. 2:729-736.
- Nevin, J.M., Lovatt, C.J., Embleton, T.W. 1990. Problems with urea-N foliar fertilization of avocado. Acta Hort. 2:535-541.
- Nevin, J.M., Lovatt, C.J. 1989. Changes in starch and ammonia metabolism during low temperature stress-induced flowering in 'Hass' avocado. A preliminary report. S. Afr. Avocado Growers' Assoc. Yrbk. 12:21-25.
- Nevin, J.M., Lovatt, C.J. 1987. Demonstration of ammonia accumulation and toxicity in avocado leaves during water-deficit stress. Proc. 1st World Avocado Congr. 1:51-54.
- Lovatt, C.J. 1989. Induction of flowering in ‘Hass’ avocado: Can it be manipulated with NH3-NH4+? Can flowering be controlled by foliar application of urea? Alon Hanotea 43:1221-1224.
- Lovatt, C.J., Bertling, I., Blanke, M. 1994. Comparison of determinate us. Indeterminate inflorescences to determine the roles of PGRs, carbohydrate, nitrogen, and other nutrients in fruit set of the 'Hass' avocado. Calif. Avocado Soc. Yrbk. 78:183-186.
- Lovatt, C.J. 1990. A definitive test to determine whether phosphite fertilization can replace phosphate fertilization to supply P in the metabolism of 'Hass' on 'Duke 7' - A preliminary report. Calif. Avocado Soc. Yrbk. 74:61-64.
- Lovatt, C.J. 1989. Development of biochemical indices of stress tolerance for rapid initial screening of large numbers of avocado rootstocks and scion varieties. Calif. Avocado Soc. Yrbk. 73:53-57.
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Abiotic & Biotic Stress
- Acosta-Rangel, A., Li, R., Mauk, P., Santiago, L., Lovatt, C.J. 2021. Effects of temperature, soil moisture and light intensity on the temporal pattern of floral gene expression and flowering of avocado buds (Persea americana cv. Hass). Scientia Hort. 280:109940.
- Salazar-Garcia, S., Lord, E.M., Lovatt, C.J. 1999. Inflorescence development of the 'Hass' avocado: Commitment to flowering. J. Amer. Soc. Hort. Sci. 124:478-482.
- Casale, W.L., Minassian, V., Menge, J.A., Lovatt, C.J., Pond, E., Johnson, E., Guillemet, F. 1995. Urban and agricultural wastes for use as mulches on avocado and citrus for delivery of microbial biocontrol agents. J. Hort. Sci. 70:315-332.
- Cesped-Ruiz, R.A., Crowley, D., Smith, W., Lovatt, C.J. 2001. Growth response of avocado rootstocks (Persea americana Mill.) to chloride: Role of endogenous ABA and IAA -- Preliminary results. 28th Annu. Meeting Plant Growth Regulat. Soc. Amer. 1:77-79.
- Nevin, J.M., Lovatt, C.J., Eaks, I.L., Ohr, H.D. 1990. Separation of the effects of drought and infection by Phytophthora cinnamoni on 'Hass' avocado. Acta Hort. 2:729-736.
- Nevin, J.M., Lovatt, C.J. 1989. Changes in starch and ammonia metabolism during low temperature stress-induced flowering in 'Hass' avocado. A preliminary report. S. Afr. Avocado Growers' Assoc. Yrbk. 12:21-25.
- Nevin, J.M., Lovatt, C.J. 1987. Demonstration of ammonia accumulation and toxicity in avocado leaves during water-deficit stress. Proc. 1st World Avocado Congr. 1:51-54.
- Lovatt, C.J. 1987. Stress. Calif. Avocado Soc. Yrbk. 71:251-255.
- Lovatt, C.J. 1989. Development of biochemical indices of stress tolerance for rapid initial screening of large numbers of avocado rootstocks and scion varieties. Calif. Avocado Soc. Yrbk. 73:53-57.